[INFO] cloning repository https://github.com/enricozanardo/nabla
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enricozanardo/nabla" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricozanardo%2Fnabla", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricozanardo%2Fnabla'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] affd209bd931ae6197bbf6fcc66d3c4824aaea88
[INFO] testing enricozanardo/nabla against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenricozanardo%2Fnabla" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/enricozanardo/nabla
[INFO] finished tweaking git repo https://github.com/enricozanardo/nabla
[INFO] tweaked toml for git repo https://github.com/enricozanardo/nabla written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/enricozanardo/nabla on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/enricozanardo/nabla already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca68a29bc573a5b49dac78fcb56a31c71b0e64b6fd7900aee4a1d05c9739757
[INFO] running `Command { std: "docker" "start" "-a" "7ca68a29bc573a5b49dac78fcb56a31c71b0e64b6fd7900aee4a1d05c9739757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca68a29bc573a5b49dac78fcb56a31c71b0e64b6fd7900aee4a1d05c9739757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca68a29bc573a5b49dac78fcb56a31c71b0e64b6fd7900aee4a1d05c9739757", kill_on_drop: false }`
[INFO] [stdout] 7ca68a29bc573a5b49dac78fcb56a31c71b0e64b6fd7900aee4a1d05c9739757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0366a5d9294631392aac229b1af0f72bee579adc2a72775a80f445fd459f446
[INFO] running `Command { std: "docker" "start" "-a" "c0366a5d9294631392aac229b1af0f72bee579adc2a72775a80f445fd459f446", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling nabla-ml v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `row_count` is never read
[INFO] [stdout]    --> src/nab_utils.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             row_count += 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.34s
[INFO] running `Command { std: "docker" "inspect" "c0366a5d9294631392aac229b1af0f72bee579adc2a72775a80f445fd459f446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0366a5d9294631392aac229b1af0f72bee579adc2a72775a80f445fd459f446", kill_on_drop: false }`
[INFO] [stdout] c0366a5d9294631392aac229b1af0f72bee579adc2a72775a80f445fd459f446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e657939e0b6b03ed65af7b933e3568637c1f52fcea0c1d681d787d52e5f31442
[INFO] running `Command { std: "docker" "start" "-a" "e657939e0b6b03ed65af7b933e3568637c1f52fcea0c1d681d787d52e5f31442", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `row_count` is never read
[INFO] [stdout]    --> src/nab_utils.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             row_count += 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nabla-ml v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `row_count` is never read
[INFO] [stdout]    --> src/nab_utils.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             row_count += 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "e657939e0b6b03ed65af7b933e3568637c1f52fcea0c1d681d787d52e5f31442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e657939e0b6b03ed65af7b933e3568637c1f52fcea0c1d681d787d52e5f31442", kill_on_drop: false }`
[INFO] [stdout] e657939e0b6b03ed65af7b933e3568637c1f52fcea0c1d681d787d52e5f31442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ff77b0148e4dd473d0213f54422821e044ddecb20302d5f2fdde16c596ff210
[INFO] running `Command { std: "docker" "start" "-a" "0ff77b0148e4dd473d0213f54422821e044ddecb20302d5f2fdde16c596ff210", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `row_count` is never read
[INFO] [stderr]    --> src/nab_utils.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             row_count += 1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nabla-ml` (lib) generated 1 warning
[INFO] [stderr] warning: `nabla-ml` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nabla_ml-f2a214ac50cc55d4)
[INFO] [stdout] 
[INFO] [stdout] running 103 tests
[INFO] [stdout] test nab_activations::tests::test_sigmoid_forward_backward ... ok
[INFO] [stdout] test nab_array::tests::test_add_scalar ... ok
[INFO] [stdout] test nab_array::tests::test_argmax ... ok
[INFO] [stdout] test nab_array::tests::test_arange ... ok
[INFO] [stdout] test nab_activations::tests::test_tanh_forward_backward ... ok
[INFO] [stdout] test nab_array::tests::test_abs ... ok
[INFO] [stdout] test nab_array::tests::test_broadcast_addition ... ok
[INFO] [stdout] test nab_array::tests::test_clip ... ok
[INFO] [stdout] test nab_array::tests::test_combined_operations ... ok
[INFO] [stdout] test nab_array::tests::test_argsort ... ok
[INFO] [stdout] test nab_array::tests::test_divide ... ok
[INFO] [stdout] test nab_array::tests::test_chained_operations ... ok
[INFO] [stdout] test nab_array::tests::test_divide_scalar ... ok
[INFO] [stdout] test nab_array::tests::test_concatenate ... ok
[INFO] [stdout] test nab_array::tests::test_dot ... ok
[INFO] [stdout] test nab_array::tests::test_cumsum ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_division_ref ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_multiplication_ref ... ok
[INFO] [stdout] test nab_activations::tests::test_leaky_relu_forward_backward ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_addition_ref ... ok
[INFO] [stdout] test nab_array::tests::test_log ... ok
[INFO] [stdout] test nab_array::tests::test_map ... ok
[INFO] [stdout] test nab_array::tests::test_from_vec ... ok
[INFO] [stdout] test nab_array::tests::test_max ... ok
[INFO] [stdout] test nab_array::tests::test_max_axis ... ok
[INFO] [stdout] test nab_array::tests::test_mean ... ok
[INFO] [stdout] test nab_array::tests::test_median ... ok
[INFO] [stdout] test nab_array::tests::test_multiply ... ok
[INFO] [stdout] test nab_array::tests::test_min_axis ... ok
[INFO] [stdout] test nab_array::tests::test_multiply_scalar ... ok
[INFO] [stdout] test nab_array::tests::test_new_ndarray ... ok
[INFO] [stdout] test nab_array::tests::test_one_hot_encode ... ok
[INFO] [stdout] test nab_array::tests::test_one_hot_encode_negative ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_subtraction_ref ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_addition ... ok
[INFO] [stdout] test nab_array::tests::test_element_wise_subtraction ... ok
[INFO] [stdout] test nab_array::tests::test_power ... ok
[INFO] [stdout] test nab_array::tests::test_reshape ... ok
[INFO] [stdout] test nab_array::tests::test_round ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_addition ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_multiplication ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_operations ... ok
[INFO] [stdout] test nab_array::tests::test_scalar_sub ... ok
[INFO] [stdout] test nab_array::tests::test_statistical_functions ... ok
[INFO] [stdout] test nab_array::tests::test_rand_uniform ... ok
[INFO] [stdout] test nab_array::tests::test_std ... ok
[INFO] [stdout] test nab_array::tests::test_subtract ... ok
[INFO] [stdout] test nab_array::tests::test_sum ... ok
[INFO] [stdout] test nab_array::tests::test_sum_with_broadcasting ... ok
[INFO] [stdout] test nab_array::tests::test_to_categorical ... ok
[INFO] [stdout] test nab_array::tests::test_sum_axis ... ok
[INFO] [stdout] test nab_activations::tests::test_relu_forward_backward ... ok
[INFO] [stdout] test nab_array::tests::test_transpose ... ok
[INFO] [stdout] test nab_activations::tests::test_softmax_forward_backward ... ok
[INFO] [stdout] test nab_array::tests::test_zeros ... ok
[INFO] [stdout] test nab_array::tests::test_where_cond ... ok
[INFO] [stdout] test nab_array::tests::test_unique ... ok
[INFO] [stdout] test nab_layers::tests::test_dense_layer_with_activation ... ok
[INFO] [stdout] test nab_layers::tests::test_activation_layer ... ok
[INFO] [stdout] test nab_layers::tests::test_flatten_layer ... ok
[INFO] [stdout] test nab_layers::tests::test_batch_norm_layer ... ok
[INFO] [stdout] test nab_loss::tests::test_cross_entropy_loss ... ok
[INFO] [stdout] test nab_loss::tests::test_mean_squared_error ... ok
[INFO] [stdout] test nab_math::tests::test_elu ... ok
[INFO] [stdout] test nab_math::tests::test_elu_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_exp ... ok
[INFO] [stdout] test nab_math::tests::test_leaky_relu ... ok
[INFO] [stdout] test nab_math::tests::test_relu ... ok
[INFO] [stdout] test nab_math::tests::test_relu_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_sigmoid ... ok
[INFO] [stdout] test nab_math::tests::test_sigmoid_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_softmax ... ok
[INFO] [stdout] test nab_layers::tests::test_dropout_layer ... ok
[INFO] [stdout] test nab_math::tests::test_softmax_derivative ... ok
[INFO] [stdout] test nab_math::tests::test_sqrt ... ok
[INFO] [stdout] test nab_math::tests::test_tanh_derivative ... ok
[INFO] [stdout] test nab_layers::tests::test_input_layer ... ok
[INFO] [stdout] test nab_math::tests::test_tanh ... ok
[INFO] [stdout] test nab_array::tests::test_invalid_addition - should panic ... ok
[INFO] [stdout] test nab_array::tests::test_one_hot_encode_non_integer - should panic ... ok
[INFO] [stdout] test nab_array::tests::test_multiply_large ... ok
[INFO] [stdout] test nab_model::tests::test_linear_regression ... ok
[INFO] [stdout] test nab_model::tests::test_mnist_full_pipeline ... ok
[INFO] [stdout] test nab_model::tests::test_model_save_load ... FAILED
[INFO] [stdout] test nab_model::tests::test_model_summary ... ok
[INFO] [stdout] test nab_optimizers::tests::test_adam_update ... ok
[INFO] [stdout] test nab_optimizers::tests::test_rmsprop_update ... ok
[INFO] [stdout] test nab_optimizers::tests::test_sgd_momentum ... ok
[INFO] [stdout] test nab_optimizers::tests::test_sgd_update ... ok
[INFO] [stdout] test nab_layers::tests::test_compute_output_shape ... ok
[INFO] [stdout] test nab_regression::tests::test_linear_regression_multiple_features ... ok
[INFO] [stdout] test nab_utils::tests::test_normalize ... ok
[INFO] [stdout] test nab_utils::tests::test_normalize_with_range ... ok
[INFO] [stdout] test nab_utils::tests::test_save_and_load_nab ... FAILED
[INFO] [stdout] test nab_utils::tests::test_savez_and_loadz_nab ... FAILED
[INFO] [stdout] test nabla::tests::test_linear_regression_nabla ... ok
[INFO] [stdout] test nab_model::tests::test_input_shape ... ok
[INFO] [stdout] test nab_regression::tests::test_linear_regression ... ok
[INFO] [stdout] test nab_mnist::tests::test_mnist_load_and_split_dataset ... FAILED
[INFO] [stdout] test nab_mnist::tests::test_mnist_csv_to_nab_conversion ... FAILED
[INFO] [stdout] test nab_mnist::tests::test_extract_and_print_sample ... FAILED
[INFO] [stdout] test nab_mnist::tests::test_mnist_normalize ... ok
[INFO] [stdout] test nab_layers::tests::test_dense_layer ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- nab_model::tests::test_model_save_load stdout ----
[INFO] [stdout] Connecting layer dense1 (id: 2) to input (id: 1)
[INFO] [stdout] Connecting layer dense2 (id: 3) to dense1 (id: 2)
[INFO] [stdout] Connecting layer output (id: 4) to dense2 (id: 3)
[INFO] [stdout] 
[INFO] [stdout] thread 'nab_model::tests::test_model_save_load' (115) panicked at src/nab_model.rs:932:48:
[INFO] [stdout] Failed to save model: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bbabc0b2282 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bbabc0b2282 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bbabc0b2282 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5bbabc0b2282 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5bbabc0c2ffa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5bbabc0c2ffa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5bbabc080c96 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bbabc080c96 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5bbabc091599 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5bbabc091599 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5bbabc091431 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5bbabbfa397e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5bbabbfa397e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5bbabc0918c2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5bbabc0918c2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5bbabc091658 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5bbabc08cb99 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5bbabc074f2d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5bbabc0cbb8c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5bbabc0cb372 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5bbabbf2921c - core::result::Result<T,E>::expect::h316b3e7da88bc29c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5bbabbefefbd - nabla_ml::nab_model::tests::test_model_save_load::had7e161d94ae5e6e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nab_model.rs:932:48
[INFO] [stdout]   22:     0x5bbabbeffd97 - nabla_ml::nab_model::tests::test_model_save_load::{{closure}}::hce7d5577d8f4c535
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nab_model.rs:912:30
[INFO] [stdout]   23:     0x5bbabbf31706 - core::ops::function::FnOnce::call_once::h2972932fbc974408
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5bbabbfa377b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5bbabbfa377b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5bbabbfb714a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5bbabbfb714a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5bbabbfb714a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5bbabbfb714a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5bbabbfb714a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5bbabbfb714a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5bbabbfb714a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5bbabbf915a4 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5bbabbf915a4 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5bbabbf94e62 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5bbabbf94e62 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5bbabbf94e62 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5bbabbf94e62 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5bbabbf94e62 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5bbabbf94e62 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5bbabbf94e62 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5bbabc087d7f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5bbabc087d7f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x72333b1ecaa4 - <unknown>
[INFO] [stdout]   45:     0x72333b279a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- nab_utils::tests::test_save_and_load_nab stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- nab_utils::tests::test_savez_and_loadz_nab stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- nab_mnist::tests::test_mnist_load_and_split_dataset stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- nab_mnist::tests::test_mnist_csv_to_nab_conversion stdout ----
[INFO] [stdout] Starting test with CSV: csv/mnist_test.csv
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] ---- nab_mnist::tests::test_extract_and_print_sample stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     nab_mnist::tests::test_extract_and_print_sample
[INFO] [stdout]     nab_mnist::tests::test_mnist_csv_to_nab_conversion
[INFO] [stdout]     nab_mnist::tests::test_mnist_load_and_split_dataset
[INFO] [stdout]     nab_model::tests::test_model_save_load
[INFO] [stdout]     nab_utils::tests::test_save_and_load_nab
[INFO] [stdout]     nab_utils::tests::test_savez_and_loadz_nab
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 97 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.71s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "0ff77b0148e4dd473d0213f54422821e044ddecb20302d5f2fdde16c596ff210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff77b0148e4dd473d0213f54422821e044ddecb20302d5f2fdde16c596ff210", kill_on_drop: false }`
[INFO] [stdout] 0ff77b0148e4dd473d0213f54422821e044ddecb20302d5f2fdde16c596ff210
